Interpolation

bspline-fortran

Jacob Williams (jacobwilliams) / bspline-fortran

One- to six-dimensional B-spline interpolation.

Matching APIs: bspline_1d%initialize, evaluate; bspline_2d%initialize, evaluate

Verified: a checked driver demonstrates a capability in this class.

Driver demonstrates the narrower class E1a.

E E1 E1a E2 E2a

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Checked drivers: bspline-fortran-shape-interpolation · bspline-tensor-surface

delaunaysparse

VTopt (vtopt) / DelaunaySparse

Multivariate interpolation using sparse Delaunay simplices; version 1.

Matching APIs: DELAUNAYSPARSES

Verified: a checked driver demonstrates a capability in this class.

Driver demonstrates the narrower class E2.

E E2

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Checked drivers: delaunay-affine-reference

fgsl

reinh-bader / fgsl

Fortran bindings to GSL; checked adaptive quadrature with an endpoint singularity.

Uncertain: discovery classification awaiting procedure-level source review.

C D E F G H H2 H2a H2a1 H2a1a H2a1a1 I J K L

Package details · Repository · Open default example

finterp

Jacob Williams (jacobwilliams) / finterp

Multidimensional linear and nearest-neighbor interpolation.

Matching APIs: linear_interp_1d%evaluate; linear_interp_2d%evaluate

Verified: a checked driver demonstrates a capability in this class.

Driver demonstrates the narrower class E1a.

E E1 E1a E2 E2a

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Checked drivers: finterp-shape-interpolation · finterp-bilinear-surface

fitpack

Federico Perini (perazz) / fitpack

Spline fitting, smoothing, derivatives, and integration of curves and surfaces.

Matching APIs: fitpack_curve

Verified: a checked driver demonstrates a capability in this class.

Driver demonstrates the narrower class E1a.

E E1 E1a E2 H H1 H2 H2a H2a2 H2a2b H2a2b2 K K1 K5

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Checked drivers: fitpack-polynomial-values

forlab

ZUO Zhihua (zoziha) / forlab

MATLAB/NumPy-style numerical utilities, linear algebra, interpolation and statistics.

Uncertain: discovery classification awaiting procedure-level source review.

D D1 D2 D9 D9a D9a1 E E1 L L1

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fortran-utils

Ondřej Čertík (certik) / fortran-utils

Selected mesh, cubic-spline and sorting utilities with supporting modules.

Matching APIs: spline3ders / meshexp / sort

Verified: a checked driver demonstrates a capability in this class.

Driver demonstrates the narrower class E1.

E E1 N N6

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Checked drivers: fortran-utils-spline-reference

fortranlib

Thomas Robitaille (astrofrog) / fortranlib

Selected algebra, array, integration and interpolation utilities with pinned upstream fixes.

Matching APIs: quadratic / linspace / integral / interp1d

Source-supported: pinned procedure evidence; a matching checked driver is still needed.

E E1 F F1 H H2

Package details · Repository · Open default example

gslib

Exequiel Sepulveda (exepulveda) / gslib2.0

Geostatistical covariance models, kriging and spatial simulation routines.

Matching APIs: cova3 / ksol (ordinary-kriging driver)

Source-supported: pinned procedure evidence; a matching checked driver is still needed.

E E2 L L13

Package details · Repository · Open default example

interpolation

Jiří Fürst (furstj) / interpolation

Linear and shape-preserving piecewise cubic interpolation for tabulated data.

Matching APIs: interp1

Verified: a checked driver demonstrates a capability in this class.

Driver demonstrates the narrower class E1a.

E E1 E1a

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Checked drivers: interp1-reference

lookup-table-fortran

Jannis Teunissen (jannisteunissen) / lookup_table_fortran

Linear lookup tables with multiple columns and selectable grid spacing.

Matching APIs: LT_create / LT_set_col / LT_set_col_data / LT_add_col / LT_get_loc / LT_get_col / LT_get_mcol / LT_get_col_at_loc / LT_get_mcol_at_loc

Verified: a checked driver demonstrates a capability in this class.

Driver demonstrates the narrower class E3.

E E1 E1a E3

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Checked drivers: lookup-services-reference

pchip

Jacob Williams (jacobwilliams) / PCHIP

Shape-preserving piecewise cubic interpolation.

Matching APIs: dpchim, dpchfe

Verified: a checked driver demonstrates a capability in this class.

Driver demonstrates the narrower class E1a.

E E1 E1a

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Checked drivers: pchip-shape-interpolation

regridpack

Jacob Williams (jacobwilliams) / regridpack

Linear and cubic interpolation between one- to four-dimensional grids.

Matching APIs: regrid

Verified: a checked driver demonstrates a capability in this class.

Driver demonstrates the narrower class E1a.

E E1 E1a E2

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Checked drivers: regridpack-polynomial-reference